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29712

0

304.4

1%

$ 2,971

1%

$ 2,927

29712

0

304.4

1%

$ 2,971

1%

$ 2,927

27779

0

284.6

7%

$ 2,778

7%

$ 2,736

25810

0

264.5

14%

$ 2,581

14%

$ 2,542

25420

0

260.5

15%

$ 2,542

15%

$ 2,504

25170

0

257.9

16%

$ 2,517

16%

$ 2,479

19331

0

198.1

35%

$ 1,933

35%

$ 1,904

17718

0

181.5

41%

$ 1,772

41%

$ 1,745

15690

0

160.8

48%

$ 1,569

48%

$ 1,545

8288

0

84.9

72%

$ 829

$ 816

Table 32. Example Measure Savings Report6 Using BA Research Benchmark

7%

$ 190.4

$ 190

13%

$ 193.9

$ 384

14%

$ 38.4

$ 423

15%

$ 24.6

$ 447

35%

$ 575.1

$ 1,023

40%

$ 158.9

$ 1,181

47%

$ 199.8

$ 1,381

72%

$ 729.0

$ 2,110

Increment

Bldg America Benchmark

Regional Std Practice

Builder Std Practice (BSP)

BSP + improved walls

BSP ++ Low-E Windows BSP ++ Smaller A/C (5 -

  • >

    4 tons)

BSP ++ Inc. Bsmt Wall Insulation BSP ++ Ground Source HP (+DHW)

BSP ++ Solar DHW BSP ++ Lighting, Appl. & Plug

Site Generation BSP ++ PV

29950

  • 0

    306.9

$ 2,995

$ 2,950

Site Energy

(kWh) (therms)

Est. Source Energy

National Average Energy Cost

($/yr)

Savings (%)

Builder Standard (Local Costs)

Measure

Package

Savings

Value ($/yr)

($/yr)

(MBtu)

Savings (%)

Energy Cost

($/yr)

Savings

(%)

The “final incremental annual cost of energy improvements” shall be the analyst’s best estimate of the increased cost of the technology package relative to minimum code, when financed as part of a 30 year mortgage at a 7% interest rate. The incremental cost shall include a reasonable markup, no less than 10%, to cover builder operating costs and profit. Cost relative to minimum code can be estimated in either two steps or one:

Incremental cost of builder standard practice (see Hendron et al 2004) relative to minimum code, plus,

Incremental cost of the Prototype relative to builder standard practice; Or, Incremental cost of the Prototype relative to minimum code.

The cost of the Prototype, builder standard practice, and minimum code house shall be calculated using the following approach:

6

Calculated using national average electricity cost = $0.10/kWh and national average gas cost = $0.50/therm.

52

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